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1 <br />~~`1 <br />l~>(. <br />1.:. <br />ABSTRACT <br />~'~' Commercial Testing and Engineering, Co. (CT&E) conducted a two species acute bioassay on <br />the West Fork of Sylvester Gulch effluent discharge. This discharge has been designated as <br />outfall 017. The purpose of this bioassay was to determine if the facility complies with the WET <br />'" portion of the Colorado State Permit System Authorization to Dischazge. The test organisms <br />utilized were the fathead minnow (Pimephales promelas) and the daphnid (Daphnia magna). <br />Test results indicate that the effluent was not acutely toaic to either species. Therefore, <br />i''~ Mountain Coal Company outfall 017 effluent is in compliance with the acute WET portion of its <br />,.,, Colorado State Discharge Permit for the third quarter of 2001. <br />~'i <br />~J <br />~,, <br />~::i <br />t~;y; <br /> <br />~~ <br />"a <br />t7:: <br />~': <br />COM MERCIAL TESTING & ENGIN EERING CO. <br />E',~?Fd66 <br />'Original Watermarketl For Yo <br />r Pr <br />t ~~! <br />u <br />o <br />ection G <br />